Michael J. Perrotti, PhD., Inc.

Michael J. Perrotti, PhD., Inc.

Michael Perrotti

3 Pointe Dr. Suite 303 Brea, CA 92821

About the Expert

Assistant Clinical Professor Psychiatry + Behavioral Sciences Keck School of Medicine, USC (2005-2006); Court Certified expert in neuropsychology, eyewitness ID, false confession Expert Reviewer, California Board of Psychology, Enforcement Division Assessment of sex offenders and child sexual abuse allegations; Expert analysis of child investigative interviews; Expert analysis of brain injury and formulation of treatment plants; Expert on standard of care; Expert in analysis of alleged police misconduct

Areas of Expertise

  • Neuropsychology - Head Injury
  • Psychology

Expert's Profile

Michael J. Perrotti, Ph.D., Inc.
3 Pointe Dr. Suite 303
Brea, California 92821
(714) 528-0100
Fax (714) 528-2575

Clinical and Forensic Neuropsychologist
License No. PSY6384
MFCC License No. M11916

Clinical Asst Professor of Psychiatry and Behavioral Sciences Keck School of Medicine, USC, 2005-2006.Expert in assessment and treatment of Traumatic Brain Injury. Expert Consultant, California Board of Behavioral Sciences,Expert reviewer California Board of Psychology. Peer Reviewer, Textbook of Psychiatry, Lippincott Publishers.Expert Analysis of Sexual Offending, Expert, child investigative viewing protocols. Analysis of sexual abuse allegations. Certified as Neuropsychological expert Los Angeles County Superior Court, Expert in Civil Court of effects of Traumatic Brain Injury as well as psychological and physical trauma and PTSD. Expertise in evaluation of clergy abuse.Expert Custody Evaluator for San Bernardino, Orange County and Riverside Family Law Court. Expert in conducting bonding parent-child studies. Expertise in assessment of false confessions as well as criminal competency .Expert on measurement of suggestibility and compliance as well as comprehension of Miranda and competency in plea hearings. Qualified Expert in PTSD, amd analysis of criminal Intent. Published in area of effects of stimulants and depressants on the brain.Expert evaluation of Domestic Violence and Child Abuse.Expert on effects of pornography on children.Assessment of intellectual disabilities.Qualified expert on testamentary capacity and competency in fiduciary transactions.Expert analysis of police misconduct. Juvenile Fitness, assessment, and treatment of TBI and, PTSD and complex PTSD.

Personal Achievements


  • University of Delaware, 1966 • B.A. Degree in Psychology
  • Virginia Commonwealth University, 1968 • M.S. Degree in Clinical Psychology
  • Attended the New School for Social Research • Ph.D. Program in Psychology
  • United States International University, 1978 • Ph.D. in Clinical Psychology


  • Licensed Psychologist, California Licensed Psychologist, Pennsylvania Licensed Marriage, Family, Child Counselor, California National Register of Health Services Providers in Psychology Independent Medical Examiner appointment by State of California 1990-present Certified Expert in Forensic Psychology in San Bernardino and Orange Counties Court Appointed Expert, San Bernardino County Superior Court Adult and Juvenile Panel Court Appointed Expert, Orange County Superior Court Adult and Juvenile Panel Court Appointed Expert, Los Angeles County Superior Court, Adult and Juvenile Panel Court Appointed Expert, Kern County Superior Court, Adult and Juvenile Panel Expert Child Custody Evaluator, Orange County, San Bernardino, and Riverside


  • American Psychological Association
  • National Register of Health Service Providers in Psychology National Academy of Neuropsychology
  • American Psychology Law Society, Division 41, American Psychological Association
  • American Psychological Association
  • American College of Forensic
  • American Professional Association, Division of Clinical Neuropsychology
  • Psychological Association, Division of Exercise and Sport Psychology
  • America Psychological Association, Division of Trauma Psychology
  • American Psychological Association, Society of Addiction Psychology
  • American Psychological Association, Division of Military Psychology
  • Association for Psychological Science
  • American Professional Society on the Abuse of Children
  • California Association of Marriage and Family Therapists
  • Honor Society Membership
  • American Academy of Forensic Sciences, Associate Member, Psychiatry and Behavioral Science Section
  • Division 40 – American Psychological Society for Clinical Neuropsychology
  • Society for Personality Assessment Association of Family and Conciliation Courts (AFCC)
  • Forensic Expert Witness Association
  • Orange County Peace Officers Association
  • California Psychological Association Orange County Psychological Association
  • Co-Chair, Orange County Psychological Association Information and Referral Service, 1981-1984
  • Secretary, Inland Southern California Psychological Association, 1981-1983


  • Tuition Scholarship at the University of Delaware
  • Dean’s List at the University of Delaware
  • Vice President, National Honors Society in Psychology, Virginia Commonwealth
  • Volunteer Service Award;
  • The White House, U.S. President’s Council on Service and Civic participation,
  • Chairman for California Business Advisory Council Invited Member to People to People Citizen Ambassador Programs’ Marriage and Family Therapy Delegation to Russia and Poland Invited by National Council of Juvenile and Family Court Judges to participate in People-to-People Citizen Ambassador Program in South Africa


  • Differentiating Delinquents from Non-Delinquents using the Masculinity-Femininity of Interests Scale of the Strong Vocational Interest Blank, Virginia Commonwealth University, 1968
  • The Effects of Direct Decision Therapy on Locus of Control, Aggression and Self- Concept in Juvenile Offenders, United States International University, 1979
  • Psychologists Assessment of Competency to Stand Trial, The California Psychologist, July 1997
  • Neuropsychological Aspects of Stimulant and Depressant Abuse, Special Issue, Neuropsychology, the California Psychologist, August 1997; published in Virginia Academy of Clinical Psychologists Newsletter
  • Child Investigative Interviewing: Is There a Gold Standard? Experts.com, February 2012
  • False Confessions in a Post-DNA World, Experts.com, April 2012
  • PTSD Neuroblast Trauma and Other Neurobiological Traumatic Events, Experts.com, April 2012
  • Faulty Eyewitness ID: A Major Contributor to Wrongful Conviction, Experts.com, June 2012
  • Assessment and Prevention of Traumatic Brain Injury in High School, College, and Professional Football: Catastrophic Events Spinning Out of Control, Concussion Litigation Reporter, July 2012
  • Posttraumatic Stress Disorder, Suicide, and Dementia in Professional Athletes, Concussion Litigation Reporter, September 2012
  • Complex PTSD in Survivors of Prolonged and Repeated Trauma, Experts.com, November 2012
  • Chronic Traumatic Encephalopathy in Athletes and Military Populations, Concussion Litigation Reporter, January 2013
  • Pitfalls in Testimony Involving Children’s Memory, Experts.com, February 2013
  • A Judicial Response to a Longstanding Problem: Faulty Eyewitness Identification, Experts.com, March 2013
  • Evaluation of Sexual Offending: Are They All Predators? Experts.com, April 2013
  • Featured article, Assessment and Treatment of Complex PTSD, American Psychological Association, Division of Trauma Psychology, May 2013
  • The Importance of Forensic Psychology Guidelines: The Jodi Arias Trial, Experts.com, May 2013
  • Measurement, Assessment, and Reduction of Violence in Juvenile Offenders, Experts.com, December 2013
  • Commentary on concussed player in World Cup, World cup incident draws criticism, demands for change, Concussion Litigation Reporter, June 2014
  • Cumulative Concussive and Sub-Concussive Events in Sport, Concussion Litigation Reporter, July 2014
  • Effects of Chronic Traumatic Encephalopathy, Experts.com, August 2015
  • Methodology in Conducting Bonding Studies in Child Custody Evaluations (CCE): An Integration with Neuroscience, Experts.com, September 2015
  • The underidentification of Traumatic Brain Injury (TBI) in Professional Sports, Experts.com, October 2015
  • Guns, Violence, and Psychology: Cause and Effect?, Experts.com, November 2015
  • The Usefulness of the Gudjohnson Suggestibility and Compliance Scales in the Assessment of False Confessions, Experts.com, January 2016
  • Forensic Psychological Evaluation of Child Sexual Abuse and Sexual Assault, Experts.com, February 2018
  • Sources of Bias and Evidentiary Standards in Forensic Psychology Expert Reports: Best Practices Forensic Psychology Guidelines, Experts.com, February 2018
  • Forensic Neuropsychological Assessments in the Assessment of Traumatic Events: A Multi-Factorial Approach to Neuropsychological Assessments, Experts.com, March 2018
  • Careers in Forensic Psychology, Michael Perrotti, Ph.D., an Insider’s Guide to the Psychology Major and Careers, A. Rezec, APA Books, Washington, D.C., 2009
  • A Methodology Primer for Conducting Bonding Studies in Child Custody Evaluations: Integration with Neuroscience, Michael J. Perrotti, Ph.D., in Handbook of Child Custody, Springer Publications, 2015
  • Complex Forensic Assessment and Neuropsychological Evaluation, book proposal, American Psychological Association, American Psychological Association books, October 2010

Prior assignments

  • Child Custody evaluation expert
  • 730 evaluations of child sexual abuse allegations in custody disputes and dependency proceedings Evaluation and treatment of Department of Social Services cases involving alleged sexual abuse referred by the Courts Psychological evaluation of individuals in adoptions and termination of parental rights cases 730 psychological evaluations for child custody Conduct bonding studies for Orange County Juvenile Court 733 matters Criminal Law Evaluation of competency to stand trial (published in area) Evaluation of sanity at the time of an offense Evaluation of individuals charged with Penal Code 288 offenses Evaluation/analysis of criminal intent and state of mind (published in area)
  • Court appointed expert to evaluate treatment facility
  • Evaluation of competency to stand trial (published in area) Evaluation of sanity at the time of an offense
  • Evaluation of individuals charged with Penal Code 288
  • Evaluation/analysis of criminal intent and state of mind (published in area)
  • Evaluation of learning disabled offenders
  • Evaluation of Juveniles in cases pursuant to Welfare and Institutions Code 707
  • Psychological evaluation of minors in contested deposition hearings
  • Analysis of voluntariness of confessions and Miranda issues
  • Plaintiff defense expert personal injury case
  • Evaluation of individuals in insurance defense case
  • Evaluation of Sexual Deviance
  • Served on task force reporting to San Bernardino County Juvenile Court on assessment of risk with sex offenders
  • Testified as 733 expert in evaluation of sexual deviance in Orange County Family Law Court, requested to give presentation on psychological assessment of child sexual abuse to Minor's Counsel section of Orange County Superior Court (CLE presentation)
  • Testified as an Expert for Orange County District Attorney in sexual molestation matters conduct 288.1 P.C
  • Psychological evaluations for Criminal Court
  • Testified as expert in analysis of police interview techniques in child molestation matters, conduct expert
  • Psychological evaluations of sexually violent predators
  • Certified in administration and interpretation of ABEL Inventory of Sexual Interests Protocol
  • Ongoing participation in research on various types of sex offenders
  • Certified as Neuropsychology, LA County Superior Court
  • Expert in neurosychology
  • Training and Consultation with Dr. Ralph Reitan (author of Halstead-Reitan and Neuro-psychological Test Battery)
  • Specialized training in administration and interpretation of Luria Nebraska Neuro-psychological Test battery Neuropsychological Test Battery
  • Specialized neuropsychological testing for physicians and neurologists Seminars, symptoms and laboratory in neuroanatomy and neurophysiology taught by faculty of Jefferson Medical School at Delaware State Hospital
  • Neuropsychological evaluation of individuals with closed head trauma and traumatic brain injury
  • Neuropsychological assessment of disorders and diagnosis of partial complex seizure disorder and other neurological disorders
  • Expert witness in police misconduct case
  • Assisted Police Departments of Brea, Anaheim, Santa Ana and Yorba Linda with assessment and management of combative and psychotic individuals who I evaluated with police for appropriate WIC 5150cerficiations
  • Participated in ride-alongs with law enforcement
  • Assisted officers with evaluations and disposition of problematic suspects with substance abuse issues
  • Evaluations of treatment of officers involved in traumatic experiences, ie., police pursuit, injured in high speed pursuit and officer involved shootings
  • Psychological evaluations of officers for peace officer position: Civilian Responder
  • Professional Services Reserve, Orange County Sheriff
  • Assessment and Treatment of juvenile offenders
  • Employee assistance plan: services provided - crisis intervention, assessment and treatment services to private industry concerning assessment and treatment of employees' psychological and career problems
  • Independent Medical Examiner, State of California
  • Provided consultative services to the State of California Employment Development Department concerning psychological evaluation of individuals applying for disability; provided second opinion psychological evaluation on disability
  • Consultant to the Bishop of the Diocese of San Bernardino, 1980-1986
  • Selection Testing of Applications of Seminary and Ordination to the Deaconate and Ordination to Priesthood 1980-1986
  • Outpatient treatment of nuns, brothers, deacons, seminaries and priests for Diocese of San Bernardino 1980-1986
  • Consulting forensic psychologist services preformed for CSI: Crime Scene Investigation on CBS television : Vanished and Numbers
  • Consultant; Goodwill Industries, Richmond, VA
  • Psychiatric Social Worker- June 1966- September 1966, Wilmington Mental Hygiene Clinic, Wilmington, Delaware. Interviewed individuals for case histories. Conducted individual group and family therapy. Member of Community Emergency Crisis Intervention team.Visited patients home when emergencies arose.
  • Psychological Assistant- June 1967-September 1967, Centennial State Hospital, Petersburg, Virginia. Conducted psychodiagnositc evaluations, vocational testing and career counseling. Aided patients in achieving effective adjustment. Reported test results and made recommendations regarding disposition of case at weekly multi-disciplinary team conference.
  • Consulting Psychologist, Richmond Virginia, Virginia Department of Vocational Rehabilitation, September 1968-March 1969. Conducted Psychological evaluations and outpatient psychotherapy with individuals referred by the department of Vocational Rehabilitation. Prepared psychological reports, assisted in disposition of cases.
  • Lecture and Teaching Assistant- September 1966-August 1968, Virginia Commonwealth University, Richmond Virginia. Taught classes in Experimental Psychology and Clinical Psychology. Designed and scored tests.
  • Psychology Instructor- May 1975- May 1976, Goldey Beacom College, Wilmington, Delaware.Taught Psychology and Sociology in special veterans evening division.
  • Psychological Assistant- 1975, individual, group, conjoint and family therapy and psycho-diagnostic evaluations for private practice groups.
  • Staff Clinical Psychologist- March 1969- May 1976, Delaware State Hospital, New Castle, Delaware. Provided psychological services for a 220-bed acute care unit and periodically acted as Unit Director. Examined new admissions, conducted clinical interviews, mental status examinations and diagnostic workshops. Administered selected, scored and interpreted results of a wide variety of psychological tests. Performed psychological evaluations of considerable difficulty. Participated in classifying and diagnosing cases. Completed psycho-diagnostic evaluations of adolescents and adults. Conducted individual, conjoint, group and family therapy with patients suffering from a wide range of disorders. Examined defendants for competency to stand trial in criminal proceedings. Supervised psychologists, interns, and nurses. Taught therapeutic and diagnostic techniques to students and volunteers. Received supervision from Board Certified Psychologists and Psychiatrists. Periodically served as Acting Chief Psychologist.
  • Periodically served as Acting Chief Psychologist at Delaware State Hospital. Psychology Associate: Staff Psychologist: Senior Psychologist.
  • California Youth Authority, Youth Training School, Chino, California June 1976- May 1983.Aided in the formation and implementation of comprehensive psychological services program for the Institution. Conducted individual and group psychotherapy. Treated individuals suffering from drug and alcohol addiction and various psychological problems. Supervised and trained staff in treatment techniques and crisis intervention. Conducted psychodiagnostic and psychotherapeutic evaluations for the California Youth Authority Board. Consultant to the First Offenders Program. Directed multidisciplinary team conferences. Provided treatment support services to specialized counseling program. Trained psychiatric nurses and other paraprofessional staff in group and individual therapy techniques. Supervised psychology interns. Formulated individual treatment programs. Supervised psychological and psychiatric staff. In charge of development and implementation of psychological services contracts. Trained psychiatric nurses, interns, and staff. Conducted consultative services for the entire institution. Conducted evaluations and offered testimony before Youth Authority Board. Conducted performance evaluations of psychologists. Prepared and approved invoices for contract psychologists and consulting psychiatrists. Performed evaluations for the Youth Authority Board, medical staff, and youth counselors. Formulated individualized treatment plans. Performed crisis intervention.
  • Private Practice- 1977- present. Marriage, Family and Child Counseling.
  • Private Practice- 1980- present. Clinical Psychology.
  • Consultant, Psychological treatment sessions May 1992- November 1992
  • Clinical neuropsychological and behavioral screening for at-risk infants and children. Psychological testing to assist in identifying psycho-educational, psychological and parapsychologist problems. Short-term interventions with families. Liaison with Department of Social Services and Foster Family Agency to effect and implement recommendations. Clinical assessment, individual and group psychotherapy, clinical hypnosis. Treatment of adults, adolescents, and children.
  • Consultant, Psychological Treatment Services July 1992 - November 1992
  • Clinical neuropsychological and behavioral screening of at-risk infants and children. Psychological testing to assist in identifying psycho-educational, psychological, and neuro-psychological problems. Short-term interventions with families. Liaison with Department of Social Services and Foster Family Agency to effect and implement recommendations. Clinical assessment, individual and group psychotherapy, clinical hypnosis. Treatment of adults, adolescents, and children.
  • Doctoral Dissertation Committee Member Carpinteria, California, Pacifica University, 2010-2011
  • Probable Cause Hearing Officer March 1994 - County of Orange
  • Conducted psychological evaluations of minors as to fitness in juvenile court matters.
  • Analysis of criminal intent in defendants; have extensively testified at jury trials on the issue of criminal intent.
  • Lectured and conducted workshops for peers on the psychological assessment of defendants as to competency to stand trial.
  • Testified as an expert witness and am published in the area of stimulant and depressant use, especially as it affects the brain and brain behavior relationships.
  • Testified on and recently had a paper accepted in the American College of Forensic Psychology on false confessions; provided expert testimony on involuntariness of confessions.
  • Testified as an expert on interview protocols and police interrogation techniques as concerns child molestation allegations.
  • Testified for the prosecution and defense in matters of competency to stand trail as well as extension of commitment as concerns the issue of dangerousness
  • Conducted psychological assessments and testified as an expert in the area of bonding studies and potential for reunification in dependency court proceedings.
  • Testified in juvenile court matters in cases of contested disposition.
  • Lectured to peers and testified as an expert on the psychological analysis of learning disabled defendants in criminal matters.
  • Conducted psychological assessments and testified for the defense and plaintiff in personal injury matters.
  • Conducted psychological evaluation of minors and learning disabled defendants in an analysis of defendant's capacity to understand Miranda Conducted psychological assessment of defendants in sex offender cases, both as to suitability for probation as well as dispositional matters for Juvenile and Adult Criminal Court.
  • Conducted psychological evaluation of criminal defendants as to the matter of sanity in criminal proceedings.
  • Conducted analysis of video and audio feeds in police vehicles and related this material to matters such as competency of defendants during police interrogation, as well as matters of state of mind of defendants during allegations.
  • Conducted crisis intervention and psychological evaluation of defendants for the police in the field concerning substance abuse evaluations and evaluation of individuals to assist law enforcement as to whether individual is dangerous to self or others to warrant an involuntary commitment hold in a psychiatric facility.
  • Conducted fitness testing for law enforcement applicants.
  • Conducted evaluations to assess the competency of criminal defendants to enter into plea bargain agreements.
  • Testified as expert witness in evaluating law enforcement interview techniques in matters involving child sexual abuse and molestation allegations.
  • Testified as expert witness in matters pertaining to criminal street gangs.
  • Served as psychologist for California Youth Authority and conducted psychological evaluations for Youthful Offenders Parole Board as as on issues of amenability for adult court.
  • Conducted analysis of mental state and neurological status and correlated with serum alcohol levels as well as with chemical tests of stimulants and depressants.
  • Analyzed non-verbal and verbal behavior of criminal defendants and presented data to juries.
  • Served as consultant to counsel and assisted with questioning of expert witnesses.
  • Appointed as expert evaluator for Board of Prison Terms in psychological assessment of mentally disordered offenders.
  • Served as expert for prosecution with assistance in cases involving state of mind during the allegations as well as competency matters.
  • Retained by prosecution and defense in false confession cases.
  • Qualified as an expert and testified on eye witness identification.
  • Qualified as an expert and testified in the area of psychological autopsy.
  • Qualified as an expert and testified in the area of death penalty cases.
  • Evaluated geriatric clients in court proceedings to evaluate competency as a witness.
  • Court appointed expert in custody and visitation matters.
  • Court appointed expert in juvenile court criminal matters, i.e., juvenile fitness, competency, and contested dispositions.
  • Court appointed expert in dependency court matters, i.e., reunification.
  • Psychological evaluation of individuals involved in terrorist acts against individuals and institutions.
  • Qualified and testified as psychological expert in personal injury civil proceedings.
  • Testified as expert for District attorney in sexual molestation matters, competency, and sanity.
  • Expert analysis of the effects of pornography on children.
  • Psychological expert in the analysis of the effects of sexual abuse and trauma on children.
  • Psychological expert on the effects of post traumatic stress disorder.
  • Testified as expert on developmental disability in Los Angeles County Superior Court.
  • Evaluated cases for defense and plaintiff involving alleged personal injury from brain trauma.
  • Evaluated plaintiffs as concerns competency to enter into fiduciary contracts.
  • Conducted evaluations as to competency to execute a will.
  • Expert in civil matters involving evaluation of closed head injuries and neuropsychological disorders.
  • Deposed as expert in civil litigation involving victims of sexual assault.
  • Deposed as expert in civil litigation involving victims of sexual assault.
  • Testified as expert on traumatic effects of Taser
  • Court-appointed evaluator for custody and visitation issues for Riverside and Orange County Family Law Courts.
  • Conducted EC733 evaluations for Family Court.
  • Conducted bonding studies in cases involving custody and visitation disputes.
  • Government expert, Office of Disability Appeals and Adjudication, offer expert opinion in SSI appeals
  • Government expert, Department of Health and Human Services, offer expert opinion on standard of care and medical necessity.

More Information

Listed in the Following States

Michael J. Perrotti, PhD., Inc. is listed with ExpertPages in the following jurisdictions: Arizona, California, Hawaii, Nevada, Utah, US Pacific Islands